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BIOCH499A (11)
Chapter 7-10

Chapters 7-10.pdf

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Department
Biochemistry
Course
BIOCH499A
Professor
Gail Amort- Larson
Semester
Winter

Description
Chapters 710 Exploring Relationship Between VariablesLinear Regression and CorrelationIn these chapters we will quickly talk about ScatterplotsAssociation between two quantitative variables The purposes of regression and correlation analysis How to compute and to interpret a correlation coefficient How to compute and to interpret regression equations How to predict the outcome of a variable extrapolatingResiduals outliers influential pointsDefinition A scatterplot is a graphical display for two quantitative variables It uses the horizontal axis for the explanatory variable X and the vertical axis for the response Y The values of X and Y for a subject are represented by a point relative to the two axes The observations for the subjects are points on the scatterplotnnExample 1 Find the scatterplot of the following data x 4 2 51 y 5 3 62
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